/// <summary>
/// Helper function to get the UI element at (<paramref name="x"/>, <paramref name="y"/>).
/// </summary>
/// <param name="x">The 0-based column number of a <see cref="Cell"/></param>
/// <param name="y">The 0-based row number of a <see cref="Cell"/></param>
/// <returns>The <see cref="Label"/> representing the <see cref="Cell"/> at (<paramref name="x"/>, <paramref name="y"/>)</returns>
private Label GetLabelFromCoord(int x, int y)
{
return((from Label lbl in MineFieldGrid.Children
where Grid.GetColumn(lbl) == x && Grid.GetRow(lbl) == y
select lbl).First());
}
/// <summary>
/// Called when the user attempts to clear a <see cref="Cell"/>.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Cell_MouseLeftUp(object sender, RoutedEventArgs e)
{
var lbl = (Label)sender;
int x = Grid.GetColumn(lbl);
int y = Grid.GetRow(lbl);
if (newGame != null)
{
newGame.Invoke(x, y);
newGame = null;
}
var changedCells = new List <ChangedCell>();
if (App.TryClearCell(x, y, ref changedCells))
{
// we didn't blow up, so let's show the user what changed
foreach (var cell in changedCells)
{
lbl = GetLabelFromCoord(cell.coordinate);
// set the text first, so we don't need to duplicate the line so many times
// if the mine count is 0, it will get set to null
lbl.Content = cell.neighboringMines.ToString();
// yay colors
switch (cell.neighboringMines)
{
case 1:
lbl.Foreground = ONE_MINE_COLOR;
break;
case 2:
lbl.Foreground = TWO_MINE_COLOR;
break;
case 3:
lbl.Foreground = THREE_MINE_COLOR;
break;
case 4:
lbl.Foreground = FOUR_MINE_COLOR;
break;
case 5:
lbl.Foreground = FIVE_MINE_COLOR;
break;
case 6:
lbl.Foreground = SIX_MINE_COLOR;
break;
case 7:
lbl.Foreground = SEVEN_MINE_COLOR;
break;
case 8:
lbl.Foreground = EIGHT_MINE_COLOR;
break;
default:
lbl.Content = null;
lbl.Foreground = null;
break;
}
lbl.Background = CELL_CLEARED_BACKGROUND;
}
statusImage.Background = HAPPY_IMAGE;
}
else
{
// RIP
}
e.Handled = true;
}